1 // Copyright 2010 The Kyua Authors.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 // * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above copyright
11 // notice, this list of conditions and the following disclaimer in the
12 // documentation and/or other materials provided with the distribution.
13 // * Neither the name of Google Inc. nor the names of its contributors
14 // may be used to endorse or promote products derived from this software
15 // without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29 #include "utils/signals/programmer.hpp"
30
31 extern "C" {
32 #include <signal.h>
33 #include <unistd.h>
34 }
35
36 #include <atf-c++.hpp>
37
38 #include "utils/sanity.hpp"
39
40 namespace signals = utils::signals;
41
42
43 namespace {
44
45
46 namespace sigchld {
47
48
49 static bool happened_1;
50 static bool happened_2;
51
52
handler_1(const int signo)53 void handler_1(const int signo) {
54 PRE(signo == SIGCHLD);
55 happened_1 = true;
56 }
57
58
handler_2(const int signo)59 void handler_2(const int signo) {
60 PRE(signo == SIGCHLD);
61 happened_2 = true;
62 }
63
64
65 } // namespace sigchld
66
67
68 } // anonymous namespace
69
70
71 ATF_TEST_CASE_WITHOUT_HEAD(program_unprogram);
ATF_TEST_CASE_BODY(program_unprogram)72 ATF_TEST_CASE_BODY(program_unprogram)
73 {
74 signals::programmer programmer(SIGCHLD, sigchld::handler_1);
75 sigchld::happened_1 = false;
76 ::kill(::getpid(), SIGCHLD);
77 ATF_REQUIRE(sigchld::happened_1);
78
79 programmer.unprogram();
80 sigchld::happened_1 = false;
81 ::kill(::getpid(), SIGCHLD);
82 ATF_REQUIRE(!sigchld::happened_1);
83 }
84
85
86 ATF_TEST_CASE_WITHOUT_HEAD(scope);
ATF_TEST_CASE_BODY(scope)87 ATF_TEST_CASE_BODY(scope)
88 {
89 {
90 signals::programmer programmer(SIGCHLD, sigchld::handler_1);
91 sigchld::happened_1 = false;
92 ::kill(::getpid(), SIGCHLD);
93 ATF_REQUIRE(sigchld::happened_1);
94 }
95
96 sigchld::happened_1 = false;
97 ::kill(::getpid(), SIGCHLD);
98 ATF_REQUIRE(!sigchld::happened_1);
99 }
100
101
102 ATF_TEST_CASE_WITHOUT_HEAD(nested);
ATF_TEST_CASE_BODY(nested)103 ATF_TEST_CASE_BODY(nested)
104 {
105 signals::programmer programmer_1(SIGCHLD, sigchld::handler_1);
106 sigchld::happened_1 = false;
107 sigchld::happened_2 = false;
108 ::kill(::getpid(), SIGCHLD);
109 ATF_REQUIRE(sigchld::happened_1);
110 ATF_REQUIRE(!sigchld::happened_2);
111
112 signals::programmer programmer_2(SIGCHLD, sigchld::handler_2);
113 sigchld::happened_1 = false;
114 sigchld::happened_2 = false;
115 ::kill(::getpid(), SIGCHLD);
116 ATF_REQUIRE(!sigchld::happened_1);
117 ATF_REQUIRE(sigchld::happened_2);
118
119 programmer_2.unprogram();
120 sigchld::happened_1 = false;
121 sigchld::happened_2 = false;
122 ::kill(::getpid(), SIGCHLD);
123 ATF_REQUIRE(sigchld::happened_1);
124 ATF_REQUIRE(!sigchld::happened_2);
125
126 programmer_1.unprogram();
127 sigchld::happened_1 = false;
128 sigchld::happened_2 = false;
129 ::kill(::getpid(), SIGCHLD);
130 ATF_REQUIRE(!sigchld::happened_1);
131 ATF_REQUIRE(!sigchld::happened_2);
132 }
133
134
ATF_INIT_TEST_CASES(tcs)135 ATF_INIT_TEST_CASES(tcs)
136 {
137 ATF_ADD_TEST_CASE(tcs, program_unprogram);
138 ATF_ADD_TEST_CASE(tcs, scope);
139 ATF_ADD_TEST_CASE(tcs, nested);
140 }
141